<!--
var cal;
var isFocus=false; //是否为焦点
//function SelectDate(obj,strFormat) //两个参数改为只传一个
function SelectDate(obj)
{
     var date = new Date();
     var by = date.getFullYear()-10; //最小值 → 10 年前
     var ey = date.getFullYear()+10; //最大值 → 10 年后
     cal = (cal==null) ? new Calendar(by, ey, 0) : cal;     //初始化为中文版，1为英文版
     //cal.dateFormatStyle = strFormat; // 默认显示格式为:yyyy-MM-dd ,还可显示 yyyy/MM/dd
     cal.show(obj);
}
/**//* 返回日期 */
String.prototype.toDate = function(style){
var y = this.substring(style.indexOf('y'),style.lastIndexOf('y')+1);//年
var m = this.substring(style.indexOf('M'),style.lastIndexOf('M')+1);//月
var d = this.substring(style.indexOf('d'),style.lastIndexOf('d')+1);//日
if(isNaN(y)) y = new Date().getFullYear();
if(isNaN(m)) m = new Date().getMonth();
if(isNaN(d)) d = new Date().getDate();
var dt ;
eval ("dt = new Date('"+ y+"', '"+(m-1)+"','"+ d +"')");
return dt;
}
/**//* 格式化日期 */
Date.prototype.format = function(style){
var o = {
     "M+" : this.getMonth() + 1, //month
     "d+" : this.getDate(),       //day
     "h+" : this.getHours(),      //hour
     "m+" : this.getMinutes(),    //minute
     "s+" : this.getSeconds(),    //second
     "w+" : "天一二三四五六".charAt(this.getDay()),    //week
     "q+" : Math.floor((this.getMonth() + 3) / 3), //quarter
     "S" : this.getMilliseconds() //millisecond
}
if(/(y+)/.test(style)){
     style = style.replace(RegExp.$1,
     (this.getFullYear() + "").substr(4 - RegExp.$1.length));
}
for(var k in o){
     if(new RegExp("("+ k +")").test(style)){
       style = style.replace(RegExp.$1,
         RegExp.$1.length == 1 ? o[k] :
         ("00" + o[k]).substr(("" + o[k]).length));
     }
}
return style;
};
/**//*
* 日历类
* @param    beginYear 1990
* @param    endYear    2010
* @param    lang       0(中文)|1(英语) 可自由扩充
* @param    dateFormatStyle "yyyy-MM-dd";
*/
function Calendar(beginYear, endYear, lang, dateFormatStyle){
this.beginYear = 1990;
this.endYear = 2010;
this.lang = 0;             //0(中文) | 1(英文)
this.dateFormatStyle = "yyyy-MM-dd";
if (beginYear != null && endYear != null){
     this.beginYear = beginYear;
     this.endYear = endYear;
}
if (lang != null){
     this.lang = lang
}
if (dateFormatStyle != null){
     this.dateFormatStyle = dateFormatStyle
}
this.dateControl = null;
this.panel = this.getElementById("calendarPanel");
this.container = this.getElementById("ContainerPanel");
this.form = null;
this.date = new Date();
this.year = this.date.getFullYear();
this.month = this.date.getMonth();

this.colors = {
"cur_word"       : "#FFFFFF", //当日日期文字颜色
"cur_bg"         : "#83A6F4", //当日日期单元格背影色
"sel_bg"         : "#FFCCCC", //已被选择的日期单元格背影色
"sun_word"       : "#FF0000", //星期天文字颜色
"sat_word"       : "#0000FF", //星期六文字颜色
"td_word_light" : "#333333", //单元格文字颜色
"td_word_dark" : "#CCCCCC", //单元格文字暗色
"td_bg_out"      : "#EFEFEF", //单元格背影色
"td_bg_over"     : "#FFCC00", //单元格背影色
"tr_word"        : "#FFFFFF", //日历头文字颜色
"tr_bg"          : "#666666", //日历头背影色
"input_border" : "#CCCCCC", //input控件的边框颜色
"input_bg"       : "#EFEFEF"    //input控件的背影色
}
this.draw();
this.bindYear();
this.bindMonth();
this.changeSelect();
this.bindData();
}
/**//*
* 日历类属性（语言包，可自由扩展）
*/
Calendar.language ={
"year"    : [[""], [""]],
"months" : [["一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月"],
         ["JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC"]
          ],
"weeks" : [["日","一","二","三","四","五","六"],
         ["SUN","MON","TUR","WED","THU","FRI","SAT"]
          ],
"clear" : [["清空"], ["CLS"]],
"today" : [["今天"], ["TODAY"]],
"close" : [["关闭"], ["CLOSE"]]
}
Calendar.prototype.draw = function(){
calendar = this;
var mvAry = [];
mvAry[mvAry.length] = ' <div name="calendarForm" style="margin: 0px;">';
mvAry[mvAry.length] = '     <table width="100%" border="0" cellpadding="0" cellspacing="1">';
mvAry[mvAry.length] = '       <tr>';
mvAry[mvAry.length] = '        <th align="left"width="1%"><input style="border: 1px solid ' +calendar.colors["input_border"] + ';background-color:' +calendar.colors["input_bg"] + ';width:16px;height:20px;"name="prevMonth" type="button" id="prevMonth" value="&lt;"/></th>';
mvAry[mvAry.length] = '        <th align="center" width="98%"nowrap="nowrap"><select name="calendarYear" id="calendarYear"style="font-size:12px;"></select><selectname="calendarMonth" id="calendarMonth"style="font-size:12px;"></select></th>';
mvAry[mvAry.length] = '        <th align="right"width="1%"><input style="border: 1px solid ' +calendar.colors["input_border"] + ';background-color:' +calendar.colors["input_bg"] + ';width:16px;height:20px;"name="nextMonth" type="button" id="nextMonth" value="&gt;"/></th>';
mvAry[mvAry.length] = '       </tr>';
mvAry[mvAry.length] = '     </table>';
mvAry[mvAry.length] = '    <table id="calendarTable" width="100%"style="border:0px solid #CCCCCC;background-color:#FFFFFF" border="0"cellpadding="3" cellspacing="1">';
mvAry[mvAry.length] = '       <tr>';
for(var i = 0; i < 7; i++){
    mvAry[mvAry.length] = '      <thstyle="font-weight:normal;background-color:' + calendar.colors["tr_bg"]+ ';color:' + calendar.colors["tr_word"] + ';">' +Calendar.language["weeks"][this.lang] + '</th>';
}
mvAry[mvAry.length] = '       </tr>';
for(var i = 0; i < 6;i++){
     mvAry[mvAry.length] = '     <tr align="center">';
     for(var j = 0; j < 7; j++){
       if (j == 0){
         mvAry[mvAry.length] = ' <td style="cursor:default;color:' + calendar.colors["sun_word"] + ';"></td>';
       } else if(j == 6){
         mvAry[mvAry.length] = ' <td style="cursor:default;color:' + calendar.colors["sat_word"] + ';"></td>';
       } else{
         mvAry[mvAry.length] = ' <td style="cursor:default;"></td>';
       }
     }
     mvAry[mvAry.length] = '     </tr>';
}
mvAry[mvAry.length] = '       <tr style="background-color:' + calendar.colors["input_bg"] + ';">';
mvAry[mvAry.length] = '        <th colspan="2"><inputname="calendarClear" type="button" id="calendarClear" value="' +Calendar.language["clear"][this.lang] + '" style="border: 1px solid ' +calendar.colors["input_border"] + ';background-color:' +calendar.colors["input_bg"] +';width:100%;height:20px;font-size:12px;"/></th>';
mvAry[mvAry.length] = '        <th colspan="3"><inputname="calendarToday" type="button" id="calendarToday" value="' +Calendar.language["today"][this.lang] + '" style="border: 1px solid ' +calendar.colors["input_border"] + ';background-color:' +calendar.colors["input_bg"] +';width:100%;height:20px;font-size:12px;"/></th>';
mvAry[mvAry.length] = '        <th colspan="2"><inputname="calendarClose" type="button" id="calendarClose" value="' +Calendar.language["close"][this.lang] + '" style="border: 1px solid ' +calendar.colors["input_border"] + ';background-color:' +calendar.colors["input_bg"] +';width:100%;height:20px;font-size:12px;"/></th>';
mvAry[mvAry.length] = '       </tr>';
mvAry[mvAry.length] = '     </table>';
mvAry[mvAry.length] = ' </div>';
this.panel.innerHTML = mvAry.join("");
var obj = this.getElementById("prevMonth");
obj.onclick = function (){calendar.goPrevMonth(calendar);}
obj.onblur = function (){calendar.onblur();}
this.prevMonth= obj;
obj = this.getElementById("nextMonth");
obj.onclick = function (){calendar.goNextMonth(calendar);}
obj.onblur = function (){calendar.onblur();}
this.nextMonth= obj;

obj = this.getElementById("calendarClear");
obj.onclick = function (){calendar.dateControl.value = "";calendar.hide();}
this.calendarClear = obj;
obj = this.getElementById("calendarClose");
obj.onclick = function (){calendar.hide();}
this.calendarClose = obj;
obj = this.getElementById("calendarYear");
obj.onchange = function (){calendar.update(calendar);}
obj.onblur = function (){calendar.onblur();}
this.calendarYear = obj;
obj = this.getElementById("calendarMonth");
with(obj)
{
     onchange = function (){calendar.update(calendar);}
     onblur = function (){calendar.onblur();}
}this.calendarMonth = obj;
obj = this.getElementById("calendarToday");
obj.onclick = function (){
     var today = new Date();
     calendar.date = today;
     calendar.year = today.getFullYear();
     calendar.month = today.getMonth();
     calendar.changeSelect();
     calendar.bindData();
     calendar.dateControl.value = today.format(calendar.dateFormatStyle);
     calendar.hide();
}
this.calendarToday = obj;
}
//年份下拉框绑定数据
Calendar.prototype.bindYear = function(){
var cy = this.calendarYear;
cy.length = 0;
for (var i = this.beginYear; i <= this.endYear; i++){
     cy.options[cy.length] = new Option(i + Calendar.language["year"][this.lang], i);
}
}
//月份下拉框绑定数据
Calendar.prototype.bindMonth = function(){
var cm = this.calendarMonth;
cm.length = 0;
for (var i = 0; i < 12; i++){
     cm.options[cm.length] = new Option(Calendar.language["months"][this.lang], i);
}
}
//向前一月
Calendar.prototype.goPrevMonth = function(e){
if (this.year == this.beginYear && this.month == 0){return;}
this.month--;
if (this.month == -1){
     this.year--;
     this.month = 11;
}
this.date = new Date(this.year, this.month, 1);
this.changeSelect();
this.bindData();
}
//向后一月
Calendar.prototype.goNextMonth = function(e){
if (this.year == this.endYear && this.month == 11){return;}
this.month++;
if (this.month == 12){
     this.year++;
     this.month = 0;
}
this.date = new Date(this.year, this.month, 1);
this.changeSelect();
this.bindData();
}
//改变SELECT选中状态
Calendar.prototype.changeSelect = function(){
var cy = this.calendarYear;
var cm = this.calendarMonth;
for (var i= 0; i < cy.length; i++){
     if (cy.options.value == this.date.getFullYear()){
       cy.selected = true;
       break;
     }
}
for (var i= 0; i < cm.length; i++){
     if (cm.options.value == this.date.getMonth()){
       cm.selected = true;
       break;
     }
}
}
//更新年、月
Calendar.prototype.update = function (e){
this.year = e.calendarYear.options[e.calendarYear.selectedIndex].value;
this.month = e.calendarMonth.options[e.calendarMonth.selectedIndex].value;
this.date = new Date(this.year, this.month, 1);
this.changeSelect();
this.bindData();
}
//绑定数据到月视图
Calendar.prototype.bindData = function (){
var calendar = this;
var dateArray = this.getMonthViewArray(this.date.getFullYear(), this.date.getMonth());
var tds = this.getElementById("calendarTable").getElementsByTagName("td");
for(var i = 0; i < tds.length; i++){
tds.style.backgroundColor = calendar.colors["td_bg_out"];
     tds.onclick = function () {return;}
     tds.onmouseover = function () {return;}
     tds.onmouseout = function () {return;}
     if (i > dateArray.length - 1) break;
     tds.innerHTML = dateArray;
     if (dateArray != "&nbsp;"){
       tds.onclick = function () {
         if (calendar.dateControl != null){
           calendar.dateControl.value = new Date(calendar.date.getFullYear(),
                                                 calendar.date.getMonth(),
                                                 this.innerHTML).format(calendar.dateFormatStyle);
         }
         calendar.hide();
       }
       tds.onmouseover = function () {
         this.style.backgroundColor = calendar.colors["td_bg_over"];
       }
       tds.onmouseout = function () {
         this.style.backgroundColor = calendar.colors["td_bg_out"];
       }
       if (new Date().format(calendar.dateFormatStyle) ==
           new Date(calendar.date.getFullYear(),
                    calendar.date.getMonth(),
                    dateArray).format(calendar.dateFormatStyle)) {
         tds.style.backgroundColor = calendar.colors["cur_bg"];
         tds.onmouseover = function () {
           this.style.backgroundColor = calendar.colors["td_bg_over"];
         }
         tds.onmouseout = function () {
           this.style.backgroundColor = calendar.colors["cur_bg"];
         }
       }//end if
      
       //设置已被选择的日期单元格背影色
       if (calendar.dateControl != null && calendar.dateControl.value == new Date(calendar.date.getFullYear(),
                    calendar.date.getMonth(),
                    dateArray).format(calendar.dateFormatStyle)) {
         tds.style.backgroundColor = calendar.colors["sel_bg"];
         tds.onmouseover = function () {
           this.style.backgroundColor = calendar.colors["td_bg_over"];
         }
         tds.onmouseout = function () {
           this.style.backgroundColor = calendar.colors["sel_bg"];
         }
       }
     }
}
}
//根据年、月得到月视图数据(数组形式)
Calendar.prototype.getMonthViewArray = function (y, m) {
var mvArray = [];
var dayOfFirstDay = new Date(y, m, 1).getDay();
var daysOfMonth = new Date(y, m + 1, 0).getDate();
for (var i = 0; i < 42; i++) {
     mvArray = "&nbsp;";
}
for (var i = 0; i < daysOfMonth; i++){
     mvArray[i + dayOfFirstDay] = i + 1;
}
return mvArray;
}
//扩展 document.getElementById(id) 多浏览器兼容性 from meizz tree source
Calendar.prototype.getElementById = function(id){
if (typeof(id) != "string" || id == "") return null;
if (document.getElementById) return document.getElementById(id);
if (document.all) return document.all(id);
try {return eval(id);} catch(e){ return null;}
}
//扩展 object.getElementsByTagName(tagName)
Calendar.prototype.getElementsByTagName = function(object, tagName){
if (document.getElementsByTagName) return document.getElementsByTagName(tagName);
if (document.all) return document.all.tags(tagName);
}
//取得HTML控件绝对位置
Calendar.prototype.getAbsPoint = function (e){
var x = e.offsetLeft;
var y = e.offsetTop;
while(e = e.offsetParent){
     x += e.offsetLeft;
     y += e.offsetTop;
}
return {"x": x, "y": y};
}
//显示日历
Calendar.prototype.show = function (dateObj, popControl) {
if (dateObj == null){
     throw new Error("arguments[0] is necessary")
}
this.dateControl = dateObj;
this.date = (dateObj.value.length > 0) ? new Date(dateObj.value.toDate(this.dateFormatStyle)) : new Date() ;//若为空则显示当前月份
this.year = this.date.getFullYear();
this.month = this.date.getMonth();
this.changeSelect();
this.bindData();
if (popControl == null){
     popControl = dateObj;
}
var xy = this.getAbsPoint(popControl);
this.panel.style.left = xy.x -25 + "px";
this.panel.style.top = (xy.y + dateObj.offsetHeight) + "px";
this.panel.style.display = "";
this.container.style.display = "";
dateObj.onblur = function(){calendar.onblur();}
this.container.onmouseover = function(){isFocus=true;}
this.container.onmouseout = function(){isFocus=false;}
}
//隐藏日历
Calendar.prototype.hide = function() {
this.panel.style.display = "none";
this.container.style.display = "none";
isFocus=false;
}
//焦点转移时隐藏日历
Calendar.prototype.onblur = function() {
     if(!isFocus){this.hide();}
}
document.write('<div id="ContainerPanel"style="display:none;"><div id="calendarPanel" style="position:absolute;display: none;z-index: 9999;');
document.write('background-color: #FFFFFF;border: 1px solid#CCCCCC;width:175px;font-size:12px;margin-left:25px;"></div>');
if(document.all)
{
document.write('<iframe style="position:absolute;z-index:2000;width:expression(this.previousSibling.offsetWidth);');
document.write('height:expression(this.previousSibling.offsetHeight);');
document.write('left:expression(this.previousSibling.offsetLeft);top:expression(this.previousSibling.offsetTop);');
document.write('display:expression(this.previousSibling.style.display);" scrolling="no" frameborder="no"></iframe>');
}
document.write('</div>');
//-->